Electrical Schematic Symbols- Input Devices

Learn about the symbols for various manually and process actuated input devices and how they are represented on an electrical schematic.

Prerequisites

Introduction to Electrical Schematics is recommended.

Description

This is the second lesson in the iKNOW Electrical Print Reading Library. The lesson presents the symbols for various manually and process actuated input devices and how they are represented on an electrical schematic.

Objectives

Identify the symbols for various manually operated input devices. Explain how various manually operated input devices are used. Identify symbols for various process actuated input devices. Explain how various process actuated input devices are used. Given an electrical schematic, identify a process actuated device. Identify symbols for two-position actuated input devices. Explain how and two-position actuated input devices are used.